High-resolution NE II forbidden line observations in G 333.6-0.2

Details High-resolution NE II forbidden line observations in G 333.6-0.2 High-resolution NE II forbidden line observations in G 333.6-0.2

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....86..248d&link_type=abstract

Astronomy and Astrophysics, vol. 86, no. 1-2, June 1980, p. 248-250. Research supported by the Nederlandse Organisatie voor Zui

Astronomy and Astrophysics

Astrophysics

1

Fabry-Perot Interferometers, High Resolution, Hydrogen Ions, Interstellar Gas, Line Spectra, Neon, Angular Resolution, Gas Expansion, H Ii Regions, Infrared Radiation, Stellar Rotation, Velocity Distribution

Scientific paper

The 12.81 micron fine-structure line of Ne(plus) has been observed with a Fabry-Perot interferometer in the obscured compact H II-region G 333.6-0.2. Spectra have been obtained on a grid of 15 positions at the core with a velocity resolution of 50-60 km/s and an angular resolution of 6 arcsec. The observations show a velocity gradient within 0.1 pc from the high density core which has to be ascribed to rotation and expansion of the gas at typical velocities of plus or minus 15 km/s.

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